<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31328904</termId><termName>population decline</termName><termType>PT</termType><termNote><![CDATA[ A decrease in the total number of individuals of a given species or other class of organism in a defined area. ]]></termNote><termCreatedDate>2026-03-30 20:28:39</termCreatedDate><relation><relationType>UF</relationType><termId>31328905</termId><termName>decline, population</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31309997</termId><termName>population change</termName><termType>PT</termType></relation></term>  </Zthes>